The pain you feel today will be the strength you feel tomorrow.
I don't let anyone take away my power.
A good mathematician is lazy, but in a constructive way.
激励很重要,因为它们以可预测的方式引导行为。
改变是不可避免的,成长却是可以选择的。
A great novel is one that changes the reader, that leaves him different after the last page.
Great leaders listen more than they speak.